<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>提交</title>
</head>

<body>
<!--这个会到web.xml的url-pattern去寻找hello的访问地址-->
    <form action="http://localhost:8080/ServletDemo/hello2" method="post">
        <input type="submit">
    </form>
</body>
</html>